Domestic impact drills include;

Ruiqi KEN (Chinese famous brand, Shanghai famous trademark, high-tech enterprise, the world's leading high-level professional power tool operator, Shanghai Ruiqi Tools Co., Ltd.)

Dongcheng (China Famous Trademark, Jiangsu Province Famous Trademark, Jiangsu Famous Brand, one of the key professional power tool manufacturing enterprises, Jiangsu Dongcheng Power Tools Co., Ltd.)

BOSUN (founded in 1994, a well-known trademark in China, a high-tech enterprise, one of the largest diamond tool manufacturing companies in China, BOSUN Tools Co., Ltd.)

Extended information:

Main structure of impact drill

(1) Power switch.

(2) Reverse limit switch

(3) Drill chuck

(4) Power supply voltage regulation and clutch control torque.

5) Change the voltage to realize the secondary speed change mechanism.

(6) Auxiliary handle, positioning ring, housing set screws, etc.

(7) Sequential and reverse direction control mechanism.

(8) The gear set inside the machine.

(9) Case insulated holding handle.

Reference: Baidu Encyclopedia-Impact Drill